Daughter taxa (time control age-window is: 0-800Ma) | Granddaughter taxa | ||||
Florisphaera Coccoliths formed of single angular calcite unit, coccospheres flower-like | |||||
Extinct genera | |||||
Goniolithus Small to medium pentagonal liths, with narrow rim and granular central area plate. Dark image in LM. | |||||
Nannoturba | |||||
Minylitha Nannoliths kite-shaped plates with raised margin on both sides | |||||
Unidentified nannoliths |
Taxonomy:
Distinguishing features:
Parent taxon (Nannolith families inc sed): Haptophytes forming calcareous structures not obviously homologous with heterococcoliths, holococcoliths, or discoasteralids
This taxon: Three apparently unique genera, not-included in described families
Farinacci & Howe catalog pages:
Search data:
Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Coniacian Stage (85.70-89.39Ma, base in Coniacian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Nannolith genera inc sed compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 3-11-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=884 Go to Archive.is to create a permanent copy of this page - citation notes |
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